From 24943a4759d290b2b01cc5d2607f6317b7ccfcb9 Mon Sep 17 00:00:00 2001
From: matthijs <matthijs@openttd.org>
Date: Tue, 3 May 2005 19:31:33 +0000
Subject: [PATCH] (svn r2261) - Fix: When crashed vehicles try to find a depot
 for servicing, openttd asserts. 	Crashed vehicles shouldn't find depots
 anyway...

---
 roadveh_cmd.c | 3 +++
 ship_cmd.c    | 3 +++
 train_cmd.c   | 6 +++++-
 vehicle.c     | 3 +++
 4 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/roadveh_cmd.c b/roadveh_cmd.c
index 670af9f6ae..08507023d1 100644
--- a/roadveh_cmd.c
+++ b/roadveh_cmd.c
@@ -353,6 +353,9 @@ int32 CmdSendRoadVehToDepot(int x, int y, uint32 flags, uint32 p1, uint32 p2)
 	if (v->type != VEH_Road || !CheckOwnership(v->owner))
 		return CMD_ERROR;
 
+	if (v->vehstatus & VS_CRASHED)
+		return CMD_ERROR;
+
 	if (v->current_order.type == OT_GOTO_DEPOT) {
 		if (flags & DC_EXEC) {
 
diff --git a/ship_cmd.c b/ship_cmd.c
index 75ef25736d..90810ad968 100644
--- a/ship_cmd.c
+++ b/ship_cmd.c
@@ -1002,6 +1002,9 @@ int32 CmdSendShipToDepot(int x, int y, uint32 flags, uint32 p1, uint32 p2)
 	if (v->type != VEH_Ship || !CheckOwnership(v->owner))
 		return CMD_ERROR;
 
+	if (v->vehstatus & VS_CRASHED)
+		return CMD_ERROR;
+
 	if (v->current_order.type == OT_GOTO_DEPOT) {
 		if (flags & DC_EXEC) {
 
diff --git a/train_cmd.c b/train_cmd.c
index ebbb129ef9..d9eb5cd298 100644
--- a/train_cmd.c
+++ b/train_cmd.c
@@ -1298,7 +1298,8 @@ static bool TrainFindDepotEnumProc(uint tile, TrainFindDepotData *tfdd, int trac
 	return length >= tfdd->best_length;
 }
 
-// returns the tile of a depot to goto to.
+// returns the tile of a depot to goto to. The given vehicle must be on track,
+// so not crashed, in a depot, etc.
 static TrainFindDepotData FindClosestTrainDepot(Vehicle *v)
 {
 	int i;
@@ -1362,6 +1363,9 @@ int32 CmdTrainGotoDepot(int x, int y, uint32 flags, uint32 p1, uint32 p2)
 	if (v->type != VEH_Train || !CheckOwnership(v->owner))
 		return CMD_ERROR;
 
+	if (v->vehstatus & VS_CRASHED)
+		return CMD_ERROR;
+
 	if (v->current_order.type == OT_GOTO_DEPOT) {
 		if (flags & DC_EXEC) {
 			if (HASBIT(v->current_order.flags, OFB_PART_OF_ORDERS)) {
diff --git a/vehicle.c b/vehicle.c
index 03da2fdbef..4cd4b7b3af 100644
--- a/vehicle.c
+++ b/vehicle.c
@@ -55,6 +55,9 @@ bool VehicleNeedsService(const Vehicle *v)
 	if (_patches.no_servicing_if_no_breakdowns && _opt.diff.vehicle_breakdowns == 0)
 		return false;
 
+	if (v->vehstatus & VS_CRASHED)
+		return false; /* Crashed vehicles don't need service anymore */
+
 	return _patches.servint_ispercent ?
 		(v->reliability < _engines[v->engine_type].reliability * (100 - v->service_interval) / 100) :
 		(v->date_of_last_service + v->service_interval < _date);